From patchwork Thu Jul 20 11:29:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikita Shubin via B4 Relay X-Patchwork-Id: 13320042 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55B9217FEB for ; Thu, 20 Jul 2023 08:30:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id D908DC116C9; Thu, 20 Jul 2023 08:29:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689841797; bh=ATo2o1/z5lWJAyh/jr+9aVD9maOrJiU0DXY7mZLkgZg=; h=From:Date:Subject:References:In-Reply-To:List-Id:To:Cc:Reply-To: From; b=lRUonWS0+cCKSp6NH3B0+0J3sTNPfxq2IjQjBwYL+K+W31gpLlVpK/sAFVx+Js87A 5d7kNwfeqGjA8KQF1apKJuUbnmQPpYCcmT8HUszVyXoSjhV+9h7qCTs0+plUwY+/pE 50mU/w9yaznrrSWQKZmfw74c94ukQTFnAFZQfjk2jnAhgagJ1W+NjcJtAx8N7rb1oY p520b0mpTp3jZnio41+2XOIyPRYW7fPq7wGgWi2xie43/SjQmtHCttK7+Fl7fJSdQ1 SE89IecXApcQhM6333YSo4pnVzDLoL5qx1U+pMpHIKLnRuyDfik41/VAbHVPjcYGcM 2xsUGd8fJ6JMg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3042C18E1B; Thu, 20 Jul 2023 08:29:57 +0000 (UTC) From: Nikita Shubin via B4 Relay Date: Thu, 20 Jul 2023 14:29:21 +0300 Subject: [PATCH v3 21/42] dt-bindings: dma: Add Cirrus EP93xx Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20230605-ep93xx-v3-21-3d63a5f1103e@maquefel.me> References: <20230605-ep93xx-v3-0-3d63a5f1103e@maquefel.me> In-Reply-To: <20230605-ep93xx-v3-0-3d63a5f1103e@maquefel.me> List-Id: To: Hartley Sweeten , Lennert Buytenhek , Alexander Sverdlin , Russell King , Lukasz Majewski , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Nikita Shubin , Daniel Lezcano , Thomas Gleixner , Alessandro Zummo , Alexandre Belloni , Wim Van Sebroeck , Guenter Roeck , Sebastian Reichel , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Mark Brown , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Vinod Koul , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Damien Le Moal , Sergey Shtylyov , Dmitry Torokhov , Arnd Bergmann , Olof Johansson , soc@kernel.org, Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Andy Shevchenko , Michael Peters , Kris Bahnsen Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-pm@vger.kernel.org, linux-pwm@vger.kernel.org, linux-spi@vger.kernel.org, netdev@vger.kernel.org, dmaengine@vger.kernel.org, linux-mtd@lists.infradead.org, linux-ide@vger.kernel.org, linux-input@vger.kernel.org, alsa-devel@alsa-project.org X-Mailer: b4 0.12.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1689852591; l=8666; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=aXXlGe/xBEf3HwMFX6kd2KXsEwj1QIDN8Sh3QWPPNM4=; =?utf-8?q?b=3DFwF4B/KCZXfq?= =?utf-8?q?wZFDxkkWmSraU+dmJgUdgDd8nn3CbUw7j1djwRkZa0Dv+Wi+uDY1QZiKi7J7rxox?= SU8SSoNYB+CaqbJtBh5fxrY0bEbsryMeUMNIYFFHjtJqOVcJzWbe X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: From: Nikita Shubin Add YAML bindings for ep93xx SoC DMA. Signed-off-by: Nikita Shubin --- .../bindings/dma/cirrus,ep9301-dma-m2m.yaml | 72 ++++++++++++ .../bindings/dma/cirrus,ep9301-dma-m2p.yaml | 124 +++++++++++++++++++++ include/dt-bindings/dma/cirrus,ep93xx-dma.h | 26 +++++ include/linux/platform_data/dma-ep93xx.h | 21 +--- 4 files changed, 223 insertions(+), 20 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml new file mode 100644 index 000000000000..c8f57e000865 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2m.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logick ep93xx SoC DMA controller + +maintainers: + - Alexander Sverdlin + - Nikita Shubin + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-dma-m2m + - items: + - enum: + - cirrus,ep9302-dma-m2m + - cirrus,ep9307-dma-m2m + - cirrus,ep9312-dma-m2m + - cirrus,ep9315-dma-m2m + - const: cirrus,ep9301-dma-m2m + + reg: + items: + - description: m2m0 channel registers + - description: m2m1 channel registers + + clocks: + items: + - description: m2m0 channel gate clock + - description: m2m1 channel gate clock + + clock-names: + items: + - const: m2m0 + - const: m2m1 + + interrupts: + items: + - description: m2m0 channel interrupt + - description: m2m1 channel interrupt + + '#dma-cells': true + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + dma-controller@80000100 { + compatible = "cirrus,ep9301-dma-m2m"; + reg = <0x80000100 0x0040>, + <0x80000140 0x0040>; + clocks = <&eclk EP93XX_CLK_M2M0>, + <&eclk EP93XX_CLK_M2M1>; + clock-names = "m2m0", "m2m1"; + interrupt-parent = <&vic0>; + interrupts = <17>, <18>; + #dma-cells = <1>; + }; + +... + diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml new file mode 100644 index 000000000000..e3090421c328 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml @@ -0,0 +1,124 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2p.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logick ep93xx SoC M2P DMA controller + +maintainers: + - Alexander Sverdlin + - Nikita Shubin + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-dma-m2p + - items: + - enum: + - cirrus,ep9302-dma-m2p + - cirrus,ep9307-dma-m2p + - cirrus,ep9312-dma-m2p + - cirrus,ep9315-dma-m2p + - const: cirrus,ep9301-dma-m2p + + reg: + items: + - description: m2p0 channel registers + - description: m2p1 channel registers + - description: m2p2 channel registers + - description: m2p3 channel registers + - description: m2p4 channel registers + - description: m2p5 channel registers + - description: m2p6 channel registers + - description: m2p7 channel registers + - description: m2p8 channel registers + - description: m2p9 channel registers + + clocks: + items: + - description: m2p0 channel gate clock + - description: m2p1 channel gate clock + - description: m2p2 channel gate clock + - description: m2p3 channel gate clock + - description: m2p4 channel gate clock + - description: m2p5 channel gate clock + - description: m2p6 channel gate clock + - description: m2p7 channel gate clock + - description: m2p8 channel gate clock + - description: m2p9 channel gate clock + + clock-names: + items: + - const: m2p0 + - const: m2p1 + - const: m2p2 + - const: m2p3 + - const: m2p4 + - const: m2p5 + - const: m2p6 + - const: m2p7 + - const: m2p8 + - const: m2p9 + + interrupts: + items: + - description: m2p0 channel interrupt + - description: m2p1 channel interrupt + - description: m2p2 channel interrupt + - description: m2p3 channel interrupt + - description: m2p4 channel interrupt + - description: m2p5 channel interrupt + - description: m2p6 channel interrupt + - description: m2p7 channel interrupt + - description: m2p8 channel interrupt + - description: m2p9 channel interrupt + + '#dma-cells': true + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + dma-controller@80000000 { + compatible = "cirrus,ep9301-dma-m2p"; + reg = <0x80000000 0x0040>, + <0x80000040 0x0040>, + <0x80000080 0x0040>, + <0x800000c0 0x0040>, + <0x80000240 0x0040>, + <0x80000200 0x0040>, + <0x800002c0 0x0040>, + <0x80000280 0x0040>, + <0x80000340 0x0040>, + <0x80000300 0x0040>; + clocks = <&eclk EP93XX_CLK_M2P0>, + <&eclk EP93XX_CLK_M2P1>, + <&eclk EP93XX_CLK_M2P2>, + <&eclk EP93XX_CLK_M2P3>, + <&eclk EP93XX_CLK_M2P4>, + <&eclk EP93XX_CLK_M2P5>, + <&eclk EP93XX_CLK_M2P6>, + <&eclk EP93XX_CLK_M2P7>, + <&eclk EP93XX_CLK_M2P8>, + <&eclk EP93XX_CLK_M2P9>; + clock-names = "m2p0", "m2p1", + "m2p2", "m2p3", + "m2p4", "m2p5", + "m2p6", "m2p7", + "m2p8", "m2p9"; + interrupt-parent = <&vic0>; + interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>; + #dma-cells = <1>; + }; + +... + diff --git a/include/dt-bindings/dma/cirrus,ep93xx-dma.h b/include/dt-bindings/dma/cirrus,ep93xx-dma.h new file mode 100644 index 000000000000..21c7324eb27e --- /dev/null +++ b/include/dt-bindings/dma/cirrus,ep93xx-dma.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +#ifndef DT_BINDINGS_CIRRUS_EP93XX_DMA_H +#define DT_BINDINGS_CIRRUS_EP93XX_DMA_H + +/* + * M2P channels. + * + * Note that these values are also directly used for setting the PPALLOC + * register. + */ +#define EP93XX_DMA_I2S1 0 +#define EP93XX_DMA_I2S2 1 +#define EP93XX_DMA_AAC1 2 +#define EP93XX_DMA_AAC2 3 +#define EP93XX_DMA_AAC3 4 +#define EP93XX_DMA_I2S3 5 +#define EP93XX_DMA_UART1 6 +#define EP93XX_DMA_UART2 7 +#define EP93XX_DMA_UART3 8 +#define EP93XX_DMA_IRDA 9 +/* M2M channels */ +#define EP93XX_DMA_SSP 10 +#define EP93XX_DMA_IDE 11 + +#endif /* DT_BINDINGS_CIRRUS_EP93XX_DMA_H */ + diff --git a/include/linux/platform_data/dma-ep93xx.h b/include/linux/platform_data/dma-ep93xx.h index eb9805bb3fe8..54b41d1468ef 100644 --- a/include/linux/platform_data/dma-ep93xx.h +++ b/include/linux/platform_data/dma-ep93xx.h @@ -5,26 +5,7 @@ #include #include #include - -/* - * M2P channels. - * - * Note that these values are also directly used for setting the PPALLOC - * register. - */ -#define EP93XX_DMA_I2S1 0 -#define EP93XX_DMA_I2S2 1 -#define EP93XX_DMA_AAC1 2 -#define EP93XX_DMA_AAC2 3 -#define EP93XX_DMA_AAC3 4 -#define EP93XX_DMA_I2S3 5 -#define EP93XX_DMA_UART1 6 -#define EP93XX_DMA_UART2 7 -#define EP93XX_DMA_UART3 8 -#define EP93XX_DMA_IRDA 9 -/* M2M channels */ -#define EP93XX_DMA_SSP 10 -#define EP93XX_DMA_IDE 11 +#include /** * struct ep93xx_dma_data - configuration data for the EP93xx dmaengine